/*
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.google.tsunami.plugins.fingerprinters.web.data;

import com.google.common.collect.ImmutableMap;
import com.google.tsunami.plugins.fingerprinters.web.proto.SoftwareIdentity;
import java.io.IOException;

/** A loader that loads all the fingerprint data from some data sources. */
public interface FingerprintLoader {

  /**
   * Loads fingerprints data for web applications.
   *
   * @return all the loaded fingerprints data.
   * @throws IOException when failed loading fingerprints data.
   */
  ImmutableMap<SoftwareIdentity, FingerprintData> loadFingerprints() throws IOException;
}
